I'm not one to re-invent the wheel, so as far as grip work is concerned, I direct you to Brooks Kubik's DINOSAUR TRAINING and John Wood's web page: http://www.functionalhandstrength.com/blog/
I can testify to the fact that one-armed deadlifts and power holds have made it to where people do not want to shake hands with me. No, it's no because I am an asshole. Ha. Ha.